Altus Metrum EasyTimer

The acceleration-based launch detection has been rock solid on every flight, no false triggers even on windy days. Programming the two timer channels took me a few minutes with the data cable, and the tilt lockout gives real peace of mind on odd-angle flights.

The tilt limits on both pyro channels saved my dual-deploy setup after a crooked rail launch last weekend. Launch detection off the accelerometer is snappy, no false triggers on the pad. Programming it took a few minutes but the two channels fired right on cue.

Wired this into a scratch-built rocket and the acceleration-based launch detection worked flawlessly on the first flight. Two pyro channels plus the same IMU as the bigger boards, but at a fraction of the price. Setting the delays took me a few tries to get right, though it's all documented clearly.